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If A = 7i + 1j and B = 2i + 3j, what is the scalar product A · B? (2022)

Practice Questions

1 question
Q1
If A = 7i + 1j and B = 2i + 3j, what is the scalar product A · B? (2022)
  1. 23
  2. 21
  3. 19
  4. 17

Questions & Step-by-step Solutions

1 item
Q
Q: If A = 7i + 1j and B = 2i + 3j, what is the scalar product A · B? (2022)
Solution: A · B = (7)(2) + (1)(3) = 14 + 3 = 17
Steps: 0

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